Metastatic tumors to gingival from non - oral malignancies are very uncommon.摘要从 非 口腔部位的恶性肿瘤转移至齿龈是非常罕见.Objective To study the distribution of the chromatic value of gingival porcelains.目的了解临床常用牙龈瓷的颜色参数.Gingival margins c...
火焰可以算作不朽的宗教象征。The flame is a quasi-religious emblem of immortality.此作品是英国文学的不朽名作之一.The work is one of the great monuments of English literature.莎士比亚是不朽的人物之一.Shakespeare is one of the immortals....